In today’s blog entry, we want to help to analyse and repair the STL files that have errors, to be able to print correctly. To do this, we will use a tool from Autodesk called NetFabb. If you do not want to install on your computer more software, there is a version in the cloud. We will speak about it in another blog entry in the near future.

To install Netfabb on your computer, go to the manufacturer's website at the following link:

To be able to download the software for free, you’ll have to provide a series of personal data and fill in the online form. Once the license conditions are accepted, it will send you to the installation executable file download, which weighs about 665MB (pretty heavy because it includes the Premium 30 days trial version).

Once the file is downloaded, run the installer as any other computer program. Chose the language (for the moment, only English available) and continue.

Accept all the following screens of the installer with the typical next, next... until the installation end.

Let the application open for the first time. It will display the screen to enter the license (standalone or network) or start with the 30-day trial of NetFabb Premium. In this step, you can click the X in the upper right corner of this window to close it. It will ask if you want to cancel the licensing, click on "Yes" and in a few seconds we will get the option to use the Free Basic version. This version is for non-commercial license. To skip that question each time we open the program, we will have to mark the check "Always start non-licensed version" and press the left button.

From this moment on, you will be able to use the program in Basic Mode, which is fully sufficient to repair the 3D .STL files on a routine basis.

Next time, we’ll show you how to repair with this program in a very simple way almost any file, so it can be 3D printed without file problems.

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